Eager Gesture Recognizer (WIP)

ui/events/gestures/touch_point_state_unittest.cc

+// Copyright 2013 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#include "testing/gtest/include/gtest/gtest-spi.h"
+#include "testing/gtest/include/gtest/gtest.h"
+#include "ui/events/event.h"
+#include "ui/events/gestures/test/eager_gesture_recognition_test_base.h"
+#include "ui/events/gestures/touch_point_state.h"
+
+namespace ui {
+
+// Printing helper to allow gtest to give helpful error output.
+static std::ostream& operator<<(std::ostream& os,
+                                const ui::TouchPointState& tps) {
+  return os << "TouchPointState(" << tps.touch_id()
+            << ", " << (tps.has_press() ? "true" : "false")
+            << ", " << (tps.has_release() ? "true" : "false")
+            << ", " << tps.move_count()
+            << ", " << tps.timer_count()
+            << ")";
+}
+
+namespace test {
+
+class TouchPointStateTest : public EagerGestureRecognitionTestBase {
+ public:
+  TouchPointStateTest() {}
+
+ private:
+  DISALLOW_COPY_AND_ASSIGN(TouchPointStateTest);
+};
+
+TEST_F(TouchPointStateTest, InitializeTouchPointState) {
+  TouchPointState tps(0);
+  EXPECT_EQ(TouchPointState(0, false, false, 0, 0), tps);
+  tps.Update(Press(0));
+  EXPECT_EQ(TouchPointState(0, true, false, 0, 0), tps);
+}
+
+TEST_F(TouchPointStateTest, UpdateTouchPointState) {
+  TouchPointState tps(0);
+  EXPECT_EQ(TouchPointState(0, false, false, 0, 0), tps);
+  tps.Update(Press(0));
+  EXPECT_EQ(TouchPointState(0, true, false, 0, 0), tps);
+
+  tps.Update(Move(0));
+  EXPECT_EQ(TouchPointState(0, true, false, 1, 0), tps);
+  tps.Update(Move(0));
+  EXPECT_EQ(TouchPointState(0, true, false, 2, 0), tps);
+  tps.Update(Move(0));
+  EXPECT_EQ(TouchPointState(0, true, false, 3, 0), tps);
+
+  tps.Update(Release(0));
+  EXPECT_EQ(TouchPointState(0, true, true, 3, 0), tps);
+}
+
+TEST_F(TouchPointStateTest, Contains) {
+  EXPECT_TRUE(TouchPointState(0, false, false, 0, 0).
+               Contains(TouchPointState(0, false, false, 0, 0)));
+  EXPECT_TRUE(TouchPointState(0, false, false, 1, 0).
+              Contains(TouchPointState(0, false, false, 0, 0)));
+  EXPECT_FALSE(TouchPointState(0, false, false, 0, 0).
+              Contains(TouchPointState(0, true, false, 0, 0)));
+  EXPECT_FALSE(TouchPointState(0, false, false, 0, 0).
+              Contains(TouchPointState(0, false, false, 5, 0)));
+}
+
+TEST_F(TouchPointStateTest, EmptyIntersection) {
+  EXPECT_TRUE(TouchPointState(0, false, false, 0, 0).
+              HasEmptyIntersection(TouchPointState(0, false, false, 0, 0)));
+  EXPECT_TRUE(TouchPointState(0, false, false, 1, 0).
+              HasEmptyIntersection(TouchPointState(0, true, false, 0, 0)));
+  EXPECT_FALSE(TouchPointState(0, false, false, 1, 0).
+              HasEmptyIntersection(TouchPointState(0, false, false, 1, 0)));
+  EXPECT_FALSE(TouchPointState(0, true, false, 0, 0).
+              HasEmptyIntersection(TouchPointState(0, true, false, 5, 0)));
+}
+
+TEST_F(TouchPointStateTest, CopyForGestureType) {
+  TouchPointState tps1(0, true, true, 1, 1);
+  scoped_ptr<TouchPointState> tps1_filtered(
+      tps1.CopyForGestureType(ET_GESTURE_SCROLL_BEGIN,
+                              TouchPointState::WAIT_FOR_ACK));
+  EXPECT_EQ(TouchPointState(0, true, false, 1, 0), *tps1_filtered.get());
+
+  TouchPointState tps2(0, true, true, 1, 0);
+  scoped_ptr<TouchPointState> tps2_filtered(
+      tps1.CopyForGestureType(ET_GESTURE_TAP,
+                              TouchPointState::WAIT_FOR_ACK));
+  EXPECT_EQ(tps2, *tps2_filtered.get());
+
+  TouchPointState tps3(0, true, true, 1, 0);
+  scoped_ptr<TouchPointState> tps3_filtered(
+      tps1.CopyForGestureType(ET_GESTURE_TAP_DOWN,
+                              TouchPointState::WAIT_FOR_ACK));
+  EXPECT_EQ(TouchPointState(0, true, false, 0, 0), *tps3_filtered.get());
+
+  TouchPointState tps4(0, true, true, 1, 1);
+  scoped_ptr<TouchPointState> tps4_filtered(
+      tps1.CopyForGestureType(ET_GESTURE_BEGIN,
+                              TouchPointState::WAIT_FOR_ACK));
+  EXPECT_EQ(TouchPointState(0, true, false, 0, 0), *tps4_filtered.get());
+
+  TouchPointState tps5(0, true, true, 1, 2);
+  scoped_ptr<TouchPointState> tps5_filtered(
+      tps1.CopyForGestureType(ET_GESTURE_LONG_PRESS,
+                              TouchPointState::WAIT_FOR_ACK));
+  EXPECT_EQ(TouchPointState(0, true, false, 0, 2), *tps5_filtered.get());
+
+  TouchPointState tps6(0, true, true, 1, 2);
+  scoped_ptr<TouchPointState> tps6_filtered(
+      tps1.CopyForGestureType(ET_GESTURE_SHOW_PRESS,
+                              TouchPointState::WAIT_FOR_ACK));
+  EXPECT_EQ(TouchPointState(0, true, false, 0, 1), *tps6_filtered.get());
+}
+
+}  // namespace test
+}  // namespace ui